One year after north-east Japan was devastated by a massive earthquake and tsunami, Japanese citizens have held ceremonies to remember the dead. NBC's Ian Williams travelled to one of the worst-hit towns to see how life is gradually returning to normal.
A year after the biggest earthquake to hit Japan the country remembers the events of that terrible day.
Experts disagree about how long it will take to clean up after Fukushima - it could easily be decades. But why did it happen at all?